326, 1334, 1338.
---- of conduction and induction, 1320, 1337.
---- _of induction and_ disruptive discharge, 1362.
---- ---- electrolyzation, 1164, 1343.
---- ---- excitation, 1178, 1740.
---- ---- charge, 1171, 1177, 1300.
---- of insulation and induction, 1324, 1362, 1368, 1678.
----, lateral, of lines of inductive force, 1231, 1297, 1304.
---- of a vacuum to electricity, 1613.
---- of spark, brush, and glow, 1533, 1539, 1542.
---- of gases to positive and negative discharge, 1510.
---- of neighbouring particles to each other, 619, 624.
---- _of elements in_ decomposing electrolytes, 923, 1702.
---- ---- exciting electrolytes, 921.
---- of acids and bases voltaically, 927, 933.
Remarks on the active battery, 1034, 1136.
Residual charge of a Leyden jar, 1249.
_Resistance_ to electrolysis, 891, 904, 911, 1007.
---- of an electrolyte to decomposition, 1007.
_Results_ of electrolysis, primary or secondary, 742, 777.
----, practical, with the voltaic battery, 1136.
----, general, as to induction, 1295, 1669.
Retention of electricity by pressure of the atmosphere explained, 1377,
1398.
_Revolving_ plate. _See_ Arago's phenomena.
---- _globe, Barlow's_, effect explained, 137, 160, 169.
---- ----, magnetic, 164.
---- ----, direction of currents in, 161, 166.
Riffault's and Chompre's theory of electro-chemical decomposition, 485,
507, 512.
Rock crystal, induction across, 1692.
Room, insulated and electrified, 1173.
Rotation of the earth a cause of magneto-electric induction, 181.

Salts considered as electrolytes, 698.
Scale of electrolytic intensities, 912.
_Secondary electrolytical results_, 702, 742, 748, 777.
---- become measures of the electric current, 843.
_Sections of the current_, 498, 1634.
----, decomposing force alike in all, 501, 1621.
_Sections of lines of inductive action_, 1369.
----, amount of force constant, 1369.
Shock, strong, with one voltaic pair, 1049.
_Silver, chloride of_, its electrolyzation, 541, 813, 902.
----, electrolytic intensity for, 979.
Silver, sulphuret of, hot, conducts well, 433.
_Simple voltaic circles_, 875.
----, decomposition effected by, 897, 904, 931.
Single and many pairs of plates, relation of, 990.
_Single voltaic circuits_, 875.
---- without metallic contact, 879.
---- with metallic contact, 893.
---- their force exalted, 906.
---- _give_ strong shocks, 1049.
---- ---- a bright spark, 1050.
_Solid electrolytes are non-conductors_, 394, 402, 1358.
----, why,